MCP Vibe Coding Tools
Server Quality Checklist
Latest release: v1.0.0
- Disambiguation5/5
Each tool targets a specific GCP resource and action (e.g., gcloud_auth_login vs gcloud_auth_print_access_token), and even similar-looking tools like gcloud_storage_buckets_list vs gcloud_storage_ls are clearly distinct (buckets vs objects). The catch-all gcloud_execute is explicitly for commands not covered, so it doesn't cause ambiguity.
Naming Consistency5/5All tools follow a strict pattern: 'gcloud_<service>_<resource>_<verb>' (e.g., gcloud_container_clusters_list, gcloud_bq_query). The naming is uniform with consistent snake_case and predictable hierarchy, making it easy for an agent to infer function from name.
Tool Count3/5With 33 tools, the set is fairly large for an MCP server. While each tool targets a distinct GCP operation, the scope feels broad—covering many services but not deeply. The count exceeds the typical well-scoped range (3-15), but the consistent naming and organization mitigate confusion. It's borderline too heavy.
Completeness3/5The tool set provides good coverage for listing and describing resources across several services, but many fundamental lifecycle operations are missing: no create/delete for Cloud Storage buckets, no update/delete for BigQuery, no create for Dataflow or Compute instances. The presence of gcloud_execute can fill gaps but at the cost of consistency and type safety.
Average 3.2/5 across 33 of 33 tools scored. Lowest: 2.6/5.
See the Tool Scores section below for per-tool breakdowns.
- No community issues in the last 6 months
- 0 commits in the last 12 weeks
- No stable releases found
- No critical vulnerability alerts
- No high-severity vulnerability alerts
- No code scanning findings
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This repository is licensed under MIT License.
This repository includes a README.md file.
No tool usage detected in the last 30 days. Usage tracking helps demonstrate server value.
Tip: use the "Try in Browser" feature on the server page to seed initial usage.
Add a glama.json file to provide metadata about your server.
If you are the author, simply .
If the server belongs to an organization, first add
glama.jsonto the root of your repository:{ "$schema": "https://glama.ai/mcp/schemas/server.json", "maintainers": [ "your-github-username" ] }Then . Browse examples.
Add related servers to improve discoverability.
How to sync the server with GitHub?
Servers are automatically synced at least once per day, but you can also sync manually at any time to instantly update the server profile.
To manually sync the server, click the "Sync Server" button in the MCP server admin interface.
How is the quality score calculated?
The overall quality score combines two components: Tool Definition Quality (70%) and Server Coherence (30%).
Tool Definition Quality measures how well each tool describes itself to AI agents. Every tool is scored 1–5 across six dimensions: Purpose Clarity (25%), Usage Guidelines (20%), Behavioral Transparency (20%), Parameter Semantics (15%), Conciseness & Structure (10%), and Contextual Completeness (10%). The server-level definition quality score is calculated as 60% mean TDQS + 40% minimum TDQS, so a single poorly described tool pulls the score down.
Server Coherence evaluates how well the tools work together as a set, scoring four dimensions equally: Disambiguation (can agents tell tools apart?), Naming Consistency, Tool Count Appropriateness, and Completeness (are there gaps in the tool surface?).
Tiers are derived from the overall score: A (≥3.5), B (≥3.0), C (≥2.0), D (≥1.0), F (<1.0). B and above is considered passing.
Tool Scores
- Behavior2/5
Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?
No annotations are provided, so the description must disclose behavioral traits. It only states it retrieves information, but does not mention read-only nature, potential side effects, authentication requirements, or rate limits. This is insufficient for a tool with no annotations.
Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.
Conciseness3/5Is the description appropriately sized, front-loaded, and free of redundancy?
The description is a single, concise sentence with no extraneous words. However, it is overly minimal and lacks structure (e.g., front-loading critical info). Not every word earns its place, as it fails to add value beyond the name.
Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.
Completeness2/5Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?
Given the tool has 2 parameters, no annotations, and no output schema, the description should be more comprehensive. It does not explain what kind of information is returned (e.g., job status, metrics), permission needs, or common errors. It is incomplete for effective use.
Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.
Parameters2/5Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?
Schema description coverage is 100%, so the baseline is 3. However, the description adds no value beyond the schema: it does not explain what 'job_id' is or how to obtain it, nor does it provide context for 'region' (e.g., default value impact, format). The description contributes nothing to parameter understanding.
Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.
Purpose4/5Does the description clearly state what the tool does and how it differs from similar tools?
The description clearly states the verb ('Get') and the resource ('detailed information about a Dataflow job'). It distinguishes the tool from siblings like 'gcloud_dataflow_jobs_list' (which lists jobs) and 'gcloud_dataflow_jobs_cancel' (which cancels a job). However, it does not explicitly mention that it targets a single job by ID, which would add clarity.
Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.
Usage Guidelines2/5Does the description explain when to use this tool, when not to, or what alternatives exist?
The description provides no guidance on when to use this tool versus alternatives. It does not mention prerequisites (e.g., need a job ID), when to prefer this over listing jobs, or scenarios where describing is not appropriate. No explicit context or exclusions are given.
Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.
- Behavior1/5
Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?
With no annotations provided, the description carries the full burden of behavioral disclosure. It only says 'List Cloud Storage buckets' and adds nothing about authentication requirements, pagination, rate limits, or what the output contains. This is critically insufficient for an agent to reason about the tool's behavior.
Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.
Conciseness4/5Is the description appropriately sized, front-loaded, and free of redundancy?
The description is a single concise sentence with no redundancy. Every word earns its place. However, it is so short that it misses crucial details; conciseness should not come at the cost of completeness. Still, it is well-structured for its length.
Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.
Completeness2/5Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?
Given the tool's simplicity (one optional parameter, no output schema, no annotations), the description is incomplete. It does not hint at the return format (e.g., list of bucket names or full metadata), whether pagination is involved, or if the output is sorted. The agent lacks essential context to effectively use the tool.
Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.
Parameters3/5Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?
Schema description coverage is 100% (the single 'project' parameter is documented in the schema). The description does not add any extra meaning beyond what the schema already provides. Per the rubric, baseline 3 is appropriate when schema covers parameters well.
Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.
Purpose4/5Does the description clearly state what the tool does and how it differs from similar tools?
The description clearly states the verb 'List' and resource 'Cloud Storage buckets', making the basic purpose understandable. However, it does not explicitly specify the scope (e.g., all buckets in a project or globally), which could lead to ambiguity. The sibling tool gcloud_storage_ls lists objects, so the distinction is implicit but not stated.
Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.
Usage Guidelines2/5Does the description explain when to use this tool, when not to, or what alternatives exist?
No guidance is provided on when to use this tool versus alternatives. For example, the description does not mention that gcloud_storage_ls is for listing objects within a bucket, or that gcloud_projects_list might be relevant for identifying projects. The agent is left to infer usage context from the name alone.
Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.
- Behavior2/5
Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?
No annotations are provided, so the description carries full burden for behavioral transparency. The description does not disclose whether this is a read-only operation (it likely is), whether it returns a flat list or paginated results, or the format of instance data returned. For a listing tool, the absence of pagination or output format details is a notable gap.
Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.
Conciseness4/5Is the description appropriately sized, front-loaded, and free of redundancy?
The description is a single, concise sentence that is front-loaded with the core action. It contains no unnecessary words, but a brief hint about optionality or default scope would improve usability without bloating the text.
Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.
Completeness3/5Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?
Given the tool's low complexity (2 optional parameters, no output schema), the description is adequate but minimal. It does not compensate for missing output schema details, such as whether the list includes all zones by default or returns a summary of instances. For a simple listing operation, this is acceptable but not fully informative.
Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.
Parameters2/5Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?
The input schema already defines 'zone' and 'filter' with descriptions for both, achieving 100% schema coverage. The description adds no additional meaning beyond what the schema provides (e.g., no formatting hints for 'zone' or expression syntax for 'filter'). With full schema coverage, baseline is 3, but the lack of any added context reduces the score.
Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.
Purpose4/5Does the description clearly state what the tool does and how it differs from similar tools?
The description clearly states the tool's action ('List Computer Engine VM instances'), providing a specific verb+resource combination. It distinguishes itself from sibling tools like gcloud_compute_instances_describe (which focuses on a single instance) and gcloud_bq_ls (which lists BigQuery resources).
Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.
Usage Guidelines2/5Does the description explain when to use this tool, when not to, or what alternatives exist?
The description does not provide any guidance on when to use this tool versus the close sibling gcloud_compute_instances_describe, or whether filtering is optional. No exclusions or context about prerequisites (e.g., requiring a project to be set) are given.
Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.
- Behavior2/5
Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?
No annotations are provided, so the description must carry the full burden of disclosure. It doesn't state the return format (e.g., value as a string), whether it's read-only (implied but not stated), or any side effects. For a read operation this is less critical, but still incomplete.
Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.
Conciseness3/5Is the description appropriately sized, front-loaded, and free of redundancy?
The description is extremely short (one sentence), which is concise but may be too minimal. It front-loads the purpose but doesn't elaborate on format or edge cases. Since there's room for more useful detail without verbosity, it's only average.
Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.
Completeness2/5Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?
Given the tool has only one parameter and no output schema, the description should cover behavior like accepted properties, error handling (e.g., if property not set), and return value format. It does none of these, leaving significant gaps for a simple but critical tool.
Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.
Parameters3/5Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?
The schema already documents the single required parameter with description and examples. The description merely restates that it gets a property, adding no new parameter semantics beyond what the schema provides. With 100% schema coverage, a baseline of 3 is appropriate.
Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.
Purpose4/5Does the description clearly state what the tool does and how it differs from similar tools?
The description clearly states the tool gets a gcloud configuration property, with a specific verb ('Get') and resource ('configuration property'). It distinguishes from sibling tools like gcloud_config_set and gcloud_config_list, though it doesn't explicitly differentiate between listing all and getting a single property.
Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.
Usage Guidelines2/5Does the description explain when to use this tool, when not to, or what alternatives exist?
The description lacks any guidance on when to use this tool versus alternatives (e.g., gcloud_config_list for all properties). It doesn't mention prerequisites like having gcloud authenticated, or that the property parameter must exist.
Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.
- Behavior2/5
Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?
With no annotations, the description must fully disclose behavioral traits. It only says 'Set', implying mutation, but omits details like persistence, required permissions, validation behavior, or side effects. This leaves the agent uncertain about the tool's impact.
Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.
Conciseness3/5Is the description appropriately sized, front-loaded, and free of redundancy?
The description is a single short sentence, which is concise but lacks structure. It fits the tool's simplicity, but could be more informative without being verbose. The sentence is front-loaded with the key action.
Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.
Completeness2/5Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?
Given no annotations and no output schema, the description is incomplete. It does not explain what the tool returns (e.g., success message), whether changes are immediate, or how errors are handled. For a simple mutation tool, more context is needed for safe use.
Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.
Parameters3/5Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?
Schema description coverage is 100%, so the baseline is 3. The description adds minimal value beyond the schema, merely repeating examples. It does not explain the format or validation of property names or values.
Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.
Purpose4/5Does the description clearly state what the tool does and how it differs from similar tools?
The description clearly states the tool's purpose: setting a gcloud configuration property, with examples of common properties. It distinguishes itself from siblings like gcloud_config_get and gcloud_config_list by indicating it is the write operation. However, it could be more precise about the scope (e.g., active configuration).
Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.
Usage Guidelines2/5Does the description explain when to use this tool, when not to, or what alternatives exist?
No guidance is provided on when to use this tool versus alternatives. There is no mention of when not to use it, prerequisites, or comparison with gcloud_config_get/list. The agent must infer usage from context.
Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.
- Behavior2/5
Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?
With no annotations provided, the description carries the full burden of behavioral disclosure. It only states the basic function, omitting any information about authentication needs, rate limits, error handling, pagination, or what happens if the cluster doesn't exist.
Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.
Conciseness3/5Is the description appropriately sized, front-loaded, and free of redundancy?
The description is a single, front-loaded sentence with no wasted words. However, it is extremely terse and does not earn its place by providing additional useful context. It is acceptable but not exemplary.
Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.
Completeness2/5Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?
Without an output schema, the description should at a minimum explain what the returned node pool data looks like or mention pagination/ordering. It does not. Additionally, the broader context of GKE cluster hierarchy (cluster → node pool) is unaddressed, making this incomplete for an agent unfamiliar with GCP.
Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.
Parameters3/5Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?
Schema description coverage is 100% with all three parameters documented adequately. Per the baseline rule for high coverage, the description does not need to add parameter info, and it does not. It neither clarifies the relationship between zone and region nor adds constraints beyond the schema, resulting in no added value.
Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.
Purpose4/5Does the description clearly state what the tool does and how it differs from similar tools?
The description clearly states the action ('List') and the resource ('node pools in a GKE cluster'), distinguishing it from sibling tools that list clusters, instances, or buckets. It's specific enough for an agent to understand what this tool does.
Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.
Usage Guidelines2/5Does the description explain when to use this tool, when not to, or what alternatives exist?
No guidance is provided on when to use this tool versus alternatives (e.g., gcloud_container_clusters_list for listing clusters, or gcloud_execute for custom commands). There are no when-to-use, when-not-to-use, or prerequisite conditions mentioned.
Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.
- Behavior2/5
Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?
Since no annotations are provided, the description must carry the full burden of behavioral disclosure. The description only says 'Write a log entry,' which implies a mutation, but does not disclose whether entries are immutable once written, whether there are rate limits, what happens to the message format, or if authentication is implicitly handled. This is insufficient for a write operation.
Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.
Conciseness3/5Is the description appropriately sized, front-loaded, and free of redundancy?
The description is a single sentence, which is concise, but it is also minimalistic without any additional structure or detail. For a tool with 4 parameters and no annotations, more content would be justified.
Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.
Completeness2/5Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?
Given the tool does 4 parameters, 2 required, with no annotations and no output schema, the description only partially explains the tool's purpose. It fails to mention what the response looks like, whether the log is immediately queryable, or if there are constraints on resource types. The description is not complete enough for the agent to use the tool without additional knowledge.
Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.
Parameters3/5Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?
Schema description coverage is 100%, meaning all parameters are documented in the input schema. The description adds no additional meaning beyond what the schema provides, so a baseline score of 3 is appropriate.
Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.
Purpose4/5Does the description clearly state what the tool does and how it differs from similar tools?
The description clearly states the action ('Write a log entry') and the target resource ('Cloud Logging'). It could be improved by noting that this creates a new entry rather than modifying an existing one, which would differentiate it from sibling tools like gcloud_logging_read.
Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.
Usage Guidelines2/5Does the description explain when to use this tool, when not to, or what alternatives exist?
No when-to-use or when-not-to-use guidance is provided. There is no mention of alternatives like gcloud_logging_read for reading logs, or prerequisites such as authentication or logging API enablement. The context of where log entries should be written (e.g., to a specific project or log bucket) is also missing.
Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.
- Behavior2/5
Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?
With no annotations provided, the description carries the full burden of disclosing behavioral traits. It only states the action without mentioning side effects, auth requirements, rate limits, or what happens if the list is large (e.g., pagination). This leaves critical gaps for an agent.
Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.
Conciseness3/5Is the description appropriately sized, front-loaded, and free of redundancy?
The description is a single sentence, which is concise, but it lacks structured details that could aid agent understanding. It is front-loaded with the action but could be slightly more informative without becoming verbose.
Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.
Completeness2/5Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?
Given the tool's simplicity (2 optional parameters, no required fields), the description is minimal. However, it fails to mention return format, pagination behavior, or the fact that this lists all services if no region is provided. Completeness is insufficient for this service listing tool.
Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.
Parameters3/5Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?
Schema description coverage is 100%, so both parameters (`region`, `platform`) are already documented in the input schema. The description does not add any additional meaning or context to the parameters, earning the baseline score of 3.
Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.
Purpose4/5Does the description clearly state what the tool does and how it differs from similar tools?
The description uses a specific verb-resource combination ('List Cloud Run services'), which clearly states the tool's action and target. However, it does not differentiate from siblings like `gcloud_run_services_describe` or `gcloud_container_clusters_list`, missing an opportunity to clarify scope.
Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.
Usage Guidelines2/5Does the description explain when to use this tool, when not to, or what alternatives exist?
The description provides no guidance on when to use this tool vs alternatives. It does not mention prerequisites (e.g., authentication or gcloud setup), nor does it suggest when to prefer this over siblings like `gcloud_run_services_describe` or `gcloud_compute_instances_list`.
Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.
- Behavior1/5
Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?
With no annotations provided, the description carries the full burden. It discloses no behavioral traits: no mention of idempotency, error handling (e.g., if dataset/table exists), required permissions, or side effects. The description is completely silent on behavior beyond the action.
Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.
Conciseness4/5Is the description appropriately sized, front-loaded, and free of redundancy?
The description is a single sentence that front-loads the verb and resource. It is minimal without redundancy. However, it could be considered underspecified rather than optimally concise, as it omits useful context.
Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.
Completeness2/5Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?
For a creation tool with 4 parameters and no output schema, the description is incomplete. It does not describe return values, behavior on existing resources, or parameter interactions. The distinction between dataset and table creation is hinted only in the schema but not explained in the description.
Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.
Parameters3/5Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?
Schema description coverage is 100%, so baseline is 3. The description adds no extra meaning beyond the schema; it does not explain how the 'resource' parameter distinguishes dataset vs table or clarify the 'schema' format beyond the schema's own description.
Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.
Purpose5/5Does the description clearly state what the tool does and how it differs from similar tools?
The description 'Create a BigQuery dataset or table' uses a specific verb and identifies the resource clearly. It distinguishes from siblings like gcloud_bq_query (query) and gcloud_bq_ls (list), which serve other purposes.
Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.
Usage Guidelines2/5Does the description explain when to use this tool, when not to, or what alternatives exist?
No guidance is provided on when to use this tool versus alternatives. It does not mention prerequisites, when to choose dataset vs table creation, or when to use other BigQuery tools like gcloud_bq_ls to check existence.
Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.
- Behavior2/5
Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?
With no annotations provided, the description carries the full burden of behavioral disclosure. It does not state that this is a read-only, non-destructive operation, nor does it mention rate limits, pagination behavior (e.g., whether it returns all clusters or has a page limit), or the format of the output.
Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.
Conciseness4/5Is the description appropriately sized, front-loaded, and free of redundancy?
The description is a single, efficient sentence that is front-loaded with the action and resource. It is appropriately sized for a simple list tool, but could omit 'in the current project' if the schema or context already makes that clear.
Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.
Completeness3/5Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?
Given the tool has two optional parameters and no output schema, the description is minimally adequate. It explains what the tool does but lacks details on output (e.g., whether it returns cluster names, statuses, etc.) and behavioral specifics. For a simple list operation, this is acceptable but not comprehensive.
Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.
Parameters3/5Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?
Schema coverage is 100%, so both parameters (zone, region) are already documented in the schema. The description adds no further parameter guidance (e.g., whether they are mutually exclusive, or what happens if both are provided). Baseline 3 is appropriate.
Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.
Purpose4/5Does the description clearly state what the tool does and how it differs from similar tools?
The description clearly states it lists GKE clusters, specifying the resource (GKE clusters) and the scope (current project). It could be improved by noting whether it lists across all regions/zones by default, but it's still clear and distinct from siblings like gcloud_container_clusters_describe.
Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.
Usage Guidelines2/5Does the description explain when to use this tool, when not to, or what alternatives exist?
No guidance is provided on when to use this tool versus siblings like gcloud_container_clusters_describe (for a single cluster) or gcloud_container_node_pools_list (for node pools within a cluster). The description also doesn't mention prerequisites like being authenticated to a project.
Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.
- Behavior1/5
Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?
The description lacks any behavioral disclosure beyond the verb 'Cancel'. It does not indicate whether the operation is irreversible, what permissions are needed, or what happens to the job (e.g., graceful vs forceful stop). With no annotations, this is a significant gap.
Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.
Conciseness4/5Is the description appropriately sized, front-loaded, and free of redundancy?
A single, front-loaded sentence with no wasted words. However, it is perhaps too terse for a mutation tool that could benefit from a bit more context.
Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.
Completeness2/5Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?
The tool has no output schema and the description does not explain what happens after cancellation, success/failure signals, or the impact on the job. It is not sufficiently complete for an agent to use confidently.
Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.
Parameters3/5Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?
The input schema already describes both parameters with 100% coverage (job_id and region). The description adds no additional meaning, so it meets the baseline but does not exceed it.
Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.
Purpose5/5Does the description clearly state what the tool does and how it differs from similar tools?
The description clearly states the verb 'Cancel' and the resource 'a running Dataflow job', which is specific and distinguishes it from sibling tools like list and describe.
Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.
Usage Guidelines2/5Does the description explain when to use this tool, when not to, or what alternatives exist?
No guidance is provided on when to use this tool versus alternatives, nor any prerequisites (e.g., job must be running, permission requirements). The description only states the basic action.
Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.
- Behavior2/5
Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?
No annotations are provided, so the description must carry the full burden of behavioral disclosure. It only says 'Get detailed information' without specifying what information is returned, whether the operation is read-only, what permissions are required, or any side effects. This is insufficient for a tool that potentially returns complex data.
Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.
Conciseness5/5Is the description appropriately sized, front-loaded, and free of redundancy?
The description is a single, clear sentence that directly states the tool's purpose. There is no fluff or redundant information, making it maximally concise for its content.
Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.
Completeness2/5Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?
Given the tool has 3 parameters, no output schema, and no annotations, the description is too brief. It does not explain what detailed information is returned, any constraints (e.g., service must exist), or how to interpret the output. This leaves significant gaps for an AI agent to correctly invoke and use the tool.
Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.
Parameters3/5Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?
Schema description coverage is 100%, so the input schema already documents each parameter. The description adds no extra meaning beyond what the schema provides. A baseline score of 3 is appropriate since the schema does the heavy lifting, but the description could add context on parameter usage (e.g., format of region, impact of platform enum).
Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.
Purpose4/5Does the description clearly state what the tool does and how it differs from similar tools?
The description clearly states the tool retrieves detailed information about a Cloud Run service, using the verb 'Get' and specifying the resource. However, it does not differentiate from the sibling tool 'gcloud_run_services_list', which lists services, but the purpose is still unambiguous.
Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.
Usage Guidelines2/5Does the description explain when to use this tool, when not to, or what alternatives exist?
No guidance is provided on when to use this tool versus alternatives. There is no mention of prerequisites, when not to use it, or which sibling tools might be better suited for different scenarios.
Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.
- Behavior2/5
Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?
The description only states that the tool executes a query, but it does not disclose key behavioral traits like the ability to validate with dry_run, the impact on costs, the return format, or that standard SQL is the default. As no annotations are provided, the description carries the full burden and is insufficient.
Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.
Conciseness3/5Is the description appropriately sized, front-loaded, and free of redundancy?
The description is a single sentence, making it concise and front-loaded. However, it is too brief and lacks substantive detail, missing the opportunity to add value within the same length.
Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.
Completeness2/5Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?
The tool has 4 parameters and no output schema, yet the description fails to explain what the query returns (e.g., rows, columns) or mention features like max_rows, dry_run, or legacy SQL. It is insufficient for a query execution tool.
Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.
Parameters3/5Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?
The input schema covers all 4 parameters with descriptions (100% coverage), so the baseline is 3. The description adds no additional parameter meaning beyond what is already in the schema.
Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.
Purpose5/5Does the description clearly state what the tool does and how it differs from similar tools?
The description clearly states the action 'Execute' and the resource 'BigQuery SQL query', which distinguishes it from sibling tools like gcloud_bq_ls, gcloud_bq_show, and gcloud_bq_mk that handle listing, showing, and creating BigQuery objects.
Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.
Usage Guidelines2/5Does the description explain when to use this tool, when not to, or what alternatives exist?
No guidance is provided on when to use this tool versus alternatives, such as gcloud_bq_ls for listing datasets or gcloud_bq_show for table schemas. There are no prerequisites mentioned (e.g., authentication, project selection).
Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.
- Behavior2/5
Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?
No annotations are provided, so the description must fully disclose behavioral traits. It only states 'create a new key' without explaining side effects (e.g., generation of a private key, writing to disk, potential overwriting), security implications, or required IAM roles. This is insufficient for safe and predictable use.
Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.
Conciseness3/5Is the description appropriately sized, front-loaded, and free of redundancy?
The description is a single sentence of 8 words, which is concise but not appropriately sized. It states the purpose but omits necessary behavioral and usage context. Every sentence should earn its place; this one does for purpose, but the description is incomplete, so it cannot be scored higher.
Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.
Completeness2/5Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?
Given the security-sensitive nature of creating a service account key, the description is too sparse. There is no output schema, no explanation of what the key file contains or how it should be handled, and no mention of authentication or authorisation requirements. The agent lacks critical information for safe invocation.
Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.
Parameters3/5Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?
Schema description coverage is 100% (both parameters have descriptions in the schema). The tool description adds no additional meaning beyond the schema. Baseline 3 is appropriate as the schema already documents the parameters, but the tool description does not enrich understanding of parameter values or constraints.
Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.
Purpose5/5Does the description clearly state what the tool does and how it differs from similar tools?
The description 'Create a new key for a service account' clearly states the verb (create) and resource (key for a service account). It is specific and distinguishes itself from sibling tools like gcloud_iam_service_accounts_list (list accounts) and gcloud_execute (generic command execution). There is no ambiguity about what the tool does.
Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.
Usage Guidelines2/5Does the description explain when to use this tool, when not to, or what alternatives exist?
The description provides no guidance on when to use this tool versus alternatives. It does not mention prerequisites, required permissions, or scenarios where a different tool (e.g., gcloud_execute for manual key creation) would be more appropriate. The agent is left without context for correct invocation.
Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.
- Behavior2/5
Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?
No annotations are present, so the description carries the full burden. It does not disclose whether the operation is read-only, what happens if the resource doesn't exist, or any authentication/rate-limit implications. The description is too brief to be transparent.
Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.
Conciseness4/5Is the description appropriately sized, front-loaded, and free of redundancy?
The description is one concise sentence, front-loaded with the verb and resource. It is efficient with no wasted words, though it could be slightly expanded to include more context without losing conciseness.
Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.
Completeness2/5Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?
Given the lack of annotations and output schema, the description is insufficient. It does not explain the return format, error handling, or how to distinguish dataset vs table details. The tool is simple but the description lacks completeness for effective agent use.
Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.
Parameters3/5Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?
The schema provides 100% coverage for the single parameter 'resource', including a clear format suggestion. The description adds no additional meaning beyond the schema, so baseline 3 is appropriate.
Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.
Purpose5/5Does the description clearly state what the tool does and how it differs from similar tools?
The description clearly states the action ('Show details') and the resource ('BigQuery dataset or table'). It distinguishes from sibling tools like gcloud_bq_query (which runs queries), gcloud_bq_ls (which lists), and gcloud_bq_mk (which creates).
Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.
Usage Guidelines2/5Does the description explain when to use this tool, when not to, or what alternatives exist?
No guidance is provided on when to use this tool versus alternatives (e.g., bq_ls for listing, bq_query for querying). The description is purely declarative without any usage context or exclusions.
Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.
- Behavior2/5
Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?
No annotations are provided, so the description must fully disclose behavioral traits. It describes the action as enabling a service but doesn't state possible side effects (e.g., enabling billing, resource creation), whether it's reversible, or what happens if the service is already enabled. For a mutation tool with no annotations, this is a significant gap.
Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.
Conciseness4/5Is the description appropriately sized, front-loaded, and free of redundancy?
The description is a single sentence that is short and front-loaded. It conveys the essential purpose without waste. However, given the behavioral gaps, it could be slightly more informative without losing conciseness.
Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.
Completeness2/5Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?
Given the tool is a simple 2-parameter mutation with no output schema, the description should cover return behavior (e.g., success/failure signals, errors) and side effects. It doesn't explain, for example, whether it waits for the operation to complete or returns immediately, nor what the expected output is. This leaves the agent underinformed.
Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.
Parameters3/5Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?
Schema coverage is 100%, so baseline is 3. The schema already documents both parameters well: 'service' (required, with example) and 'project' (optional, defaults to current). The description doesn't add semantic meaning beyond what the schema provides.
Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.
Purpose4/5Does the description clearly state what the tool does and how it differs from similar tools?
The description clearly states it enables a Google Cloud API or service for a project, using a specific verb ('Enable') and resource ('Google Cloud API or service'). It distinguishes from sibling tools like gcloud_services_list (listing) and other management tools, but doesn't explicitly differentiate from similar enable/disable tools if any existed.
Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.
Usage Guidelines3/5Does the description explain when to use this tool, when not to, or what alternatives exist?
The description implies usage when a service needs to be enabled, but provides no when-not-to-use guidance or alternatives. It doesn't mention prerequisites like required permissions or billing setup, nor does it reference sibling tools that might be more appropriate (e.g., gcloud_projects_list for checking project).
Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.
- Behavior3/5
Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?
No annotations are provided, so the description carries full burden for behavioral disclosure. It correctly implies a read-only operation ('Get detailed information'), but does not mention whether the tool works with zone/region combinations, what happens if the cluster doesn't exist, or if it requires authentication—common behavioral gaps for a describe tool.
Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.
Conciseness4/5Is the description appropriately sized, front-loaded, and free of redundancy?
The description is a single, efficient sentence with minimal waste. It could be slightly more specific (e.g., what 'detailed information' includes), but it is well-structured and immediately accessible.
Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.
Completeness3/5Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?
Given the moderate complexity (3 params, no output schema, no nested objects, no annotations), the description is somewhat complete for a simple read operation. However, without specifying the output format or behavior for missing clusters, the agent lacks full operational context to use the tool robustly.
Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.
Parameters3/5Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?
Schema coverage is 100%, so the schema already documents all parameters with descriptions. The description adds no additional parameter context beyond what the schema provides, which is expected at this coverage level. A 3 reflects the adequate baseline where description doesn't need to compensate.
Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.
Purpose4/5Does the description clearly state what the tool does and how it differs from similar tools?
The description uses a clear verb ('Get') and specifies the resource ('specific GKE cluster'), making the core purpose obvious. However, it does not differentiate from sibling tools like gcloud_container_clusters_list or gcloud_container_clusters_get_credentials, which could be confused with this inspection tool.
Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.
Usage Guidelines2/5Does the description explain when to use this tool, when not to, or what alternatives exist?
The description offers no guidance on when to use this tool versus alternatives (e.g., when to use list vs describe, or what additional info describe provides), and no mention of prerequisites or context. Without this, the agent lacks decision support for tool selection.
Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.
- Behavior2/5
Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?
No annotations are provided, so the description carries full burden for behavioral disclosure. It states the action is listing (presumably read-only, non-destructive), but does not mention any behavioral traits such as pagination behavior, rate limits, output format, or whether the project parameter is required. More detail is needed for safe invocation.
Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.
Conciseness5/5Is the description appropriately sized, front-loaded, and free of redundancy?
The description is a single, compact sentence that conveys the essential action and scope. No unnecessary words or repetition. Front-loaded with the verb and resource.
Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.
Completeness3/5Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?
Given the tool has only one optional parameter, no output schema, and no annotations, the description is adequate but minimal. It lacks details about the output (e.g., what fields are returned), pagination, or permissions required, which are important for a complete understanding.
Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.
Parameters4/5Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?
The schema description coverage is 100%, so the schema already documents the only parameter ('project') well. The description does not add extra semantics beyond the schema, but with full schema coverage the baseline is 3, and the description's mention of 'current project' aligns with the schema's fallback behavior, earning a slight bonus.
Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.
Purpose4/5Does the description clearly state what the tool does and how it differs from similar tools?
The description uses the specific verb 'List' and resource 'IAM service accounts', clearly stating what the tool does. It also specifies the scope ('in the current project'), which distinguishes it from other listing tools. However, it does not differentiate from sibling tools like gcloud_storage_buckets_list or gcloud_run_services_list, but the resource type is distinct enough.
Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.
Usage Guidelines2/5Does the description explain when to use this tool, when not to, or what alternatives exist?
The description provides no guidance on when to use this tool versus alternatives. It does not mention prerequisites, context (e.g., requiring IAM permissions), or when not to use it. Sibling tools include other list operations, but no exclusions or alternatives are given.
Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.
- Behavior2/5
Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?
No annotations are provided, so the description carries the full burden. It implies a read-only operation but fails to disclose critical behavioral traits such as authentication requirements, pagination behavior, potential cost implications, or what happens when no filter is provided. The description is too minimal to inform safe usage.
Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.
Conciseness5/5Is the description appropriately sized, front-loaded, and free of redundancy?
The description is a single sentence of 9 words, highly concise and front-loaded. Every word earns its place. There is no unnecessary fluff. It is appropriately sized for a simple read operation.
Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.
Completeness2/5Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?
Given the tool has 5 parameters, no required parameters, and no output schema or annotations, the description is insufficiently complete. It does not mention that results are paginated via 'limit', the default sort order, filter syntax details, or that this is a read-only operation. The description leaves significant gaps for an agent to use the tool effectively.
Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.
Parameters3/5Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?
Schema description coverage is 100%, so the baseline is 3. The description adds minimal value beyond the schema by mentioning 'filters and time range', which maps to the filter and freshness parameters. However, it does not provide additional semantic context for parameters like limit or order that the schema already describes.
Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.
Purpose5/5Does the description clearly state what the tool does and how it differs from similar tools?
The description clearly states the verb 'Read', the resource 'logs from Cloud Logging', and specifies 'with filters and time range'. This effectively distinguishes it from the sibling gcloud_logging_write (which writes logs). The purpose is unambiguous and specific.
Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.
Usage Guidelines2/5Does the description explain when to use this tool, when not to, or what alternatives exist?
No guidance is provided on when to use this tool versus alternatives. The description does not differentiate from sibling tools (e.g., gcloud_logging_write), nor does it mention prerequisites, limitations, or typical use cases. The agent is left without context for selecting this tool.
Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.
- Behavior2/5
Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?
No annotations are provided, so the description carries the full burden of behavioral disclosure. It only states the action and scope; it does not mention pagination, result limits, ordering, authentication requirements, or whether read-only behavior is guaranteed. For a list operation, these are significant omissions.
Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.
Conciseness5/5Is the description appropriately sized, front-loaded, and free of redundancy?
The description is a single sentence of 7 words—extremely concise. It is front-loaded with the core action. Every word earns its place with no redundancy or fluff.
Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.
Completeness3/5Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?
For a simple list tool with two parameters and no output schema, the description is minimal but not fully complete. It lacks details on return format, pagination behavior, maximum results, or error handling. Given the tool's low complexity, a 3 (minimal viable) is fair, but gaps in behavioral context reduce higher scores.
Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.
Parameters3/5Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?
Both parameters ('region' and 'status') have descriptions in the input schema (100% coverage), so the schema already documents their types, defaults, and enums. The tool description adds no additional meaning or usage context beyond what the schema provides. Baseline score of 3 is appropriate.
Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.
Purpose5/5Does the description clearly state what the tool does and how it differs from similar tools?
The description clearly states the tool lists Dataflow jobs in the current project. It uses a specific verb ('List') and resource ('Dataflow jobs'), and the scope is explicit. Among siblings, it stands apart from dataflow_jobs_describe and dataflow_jobs_cancel, making differentiation straightforward.
Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.
Usage Guidelines2/5Does the description explain when to use this tool, when not to, or what alternatives exist?
There is no guidance on when to use this tool versus alternatives like gcloud_dataflow_jobs_describe or gcloud_dataflow_jobs_cancel. No context about filtering prerequisites, or scenarios where listing is appropriate. The description is too terse to guide an agent on selection trade-offs.
Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.
- Behavior2/5
Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?
No annotations exist, so the description must carry full behavioral transparency. It only states 'List objects' without detailing authentication needs, pagination, error handling (e.g., invalid path), or default behavior (non-recursive). Critical read-only trait is implied but underexplained.
Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.
Conciseness4/5Is the description appropriately sized, front-loaded, and free of redundancy?
The description is a single concise sentence that directly states the tool's purpose. Every word is used efficiently, though the brevity sacrifices completeness. Still, it earns its place without fluff.
Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.
Completeness2/5Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?
Given the tool has no output schema, no annotations, and 100% schema coverage, the description remains too sparse. It omits crucial context such as the return format, pagination behavior, default recursion, and assumptions about authentication or project setup. An agent would likely need to experiment to understand full behavior.
Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.
Parameters3/5Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?
Schema description coverage is 100%, so the schema already documents both parameters (path, recursive). The description adds no extra meaning beyond the schema baseline, resulting in a neutral score of 3.
Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.
Purpose5/5Does the description clearly state what the tool does and how it differs from similar tools?
The description clearly states the verb (List) and resource (objects in a Cloud Storage bucket or path). This distinctively differentiates from sibling tools like gcloud_storage_buckets_list (lists buckets) and gcloud_bq_ls (lists BigQuery datasets).
Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.
Usage Guidelines3/5Does the description explain when to use this tool, when not to, or what alternatives exist?
No explicit guidance on when to use this tool versus alternatives (e.g., gcloud_storage_buckets_list) or prerequisites. Usage is implied but not clarified, which for an agent could lead to misuse among many sibling list tools.
Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.
- Behavior3/5
Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?
No annotations are provided, so the description carries the full burden for behavioral disclosure. It implies a safe read operation (printing a token), but does not explicitly state whether this triggers side effects (e.g., refreshing credentials), requires specific permissions, or returns the token in a particular format. Given that annotations are absent, this is a moderate gap, but the core action is simple and well described.
Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.
Conciseness5/5Is the description appropriately sized, front-loaded, and free of redundancy?
The description is two concise sentences. The first states the action and resource, the second provides a brief usage context. No wasted words; every sentence adds value.
Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.
Completeness3/5Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?
For a simple tool with one optional parameter and no output schema, the description covers the core purpose and use case. However, it lacks behavioral details (e.g., error conditions, auth prerequisites) that would be helpful for a production agent. It feels slightly incomplete for a security-sensitive operation like token generation, but adequate for a minimal viable description.
Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.
Parameters4/5Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?
Schema description coverage is 100%, so the baseline is 3. The description adds value by explaining the output (a printed access token) and the concept that the account parameter is optional (specific account or active account). This goes beyond the schema's minimal description ('Specific account to get token for (optional)').
Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.
Purpose4/5Does the description clearly state what the tool does and how it differs from similar tools?
The description clearly states the action ('generate and print') and the resource ('access token for the active account'). It also notes the purpose ('useful for API calls'), which distinguishes it from its sibling gcloud_auth_list (lists accounts) and gcloud_auth_print_identity_token (prints identity token). It is missing explicit scope differentiation from the identity token sibling.
Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.
Usage Guidelines2/5Does the description explain when to use this tool, when not to, or what alternatives exist?
The description says 'useful for API calls,' which gives a hint of usage context, but it does not provide guidance on when to use this tool versus gcloud_auth_print_identity_token (both print tokens) or when not to use it. No exclusions or alternatives are mentioned, and there is no mention of prerequisites like being logged in.
Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.
- Behavior3/5
Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?
No annotations are provided, so the description must cover behavioral aspects. It states the tool lists datasets or tables, which implies a read-only operation, but does not disclose any side effects, authorization needs, or other behavioral traits. The absence of annotations raises the burden somewhat, but the description is not misleading or contradictory.
Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.
Conciseness4/5Is the description appropriately sized, front-loaded, and free of redundancy?
The description is very short (6 words) and front-loads the core purpose. It is efficient with no wasted words. However, it could be slightly more structured or include brief context without increasing verbosity significantly.
Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.
Completeness3/5Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?
For a simple listing tool with 3 well-documented parameters and no output schema, the description is minimal but sufficient. It conveys the primary function. However, it omits details like result format or pagination behavior, which could be helpful. The presence of siblings like gcloud_bq_show and gcloud_bq_mk provides some context, but the description itself is not fully complete.
Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.
Parameters3/5Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?
Schema coverage is 100%, so the baseline is 3. The description does not add any information about parameters beyond what the schema already provides in their descriptions. The parameter descriptions in the schema are clear, so the tool description contributes no extra semantic value.
Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.
Purpose4/5Does the description clearly state what the tool does and how it differs from similar tools?
The description 'List BigQuery datasets or tables' clearly states the verb (list) and resource (BigQuery datasets or tables). It distinguishes the tool from siblings like gcloud_bq_query and gcloud_bq_show, as it focuses on listing rather than querying or showing details. However, lacking a title and more specificity on the listing scope slightly reduces clarity.
Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.
Usage Guidelines3/5Does the description explain when to use this tool, when not to, or what alternatives exist?
The description implies usage for listing datasets or tables, but provides no explicit guidance on when to use this tool versus alternatives like gcloud_storage_buckets_list or gcloud_bq_show. There are no 'when to use' or 'when not to use' statements, making the agent rely on the tool name and basic purpose. The schema clarifies that omitting 'dataset' lists datasets, which serves as implicit usage context.
Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.
- Behavior3/5
Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?
No annotations are provided, so the description carries the full burden. It correctly implies a read-only operation ('Get detailed information'), but does not disclose any additional behavioral traits such as permissions required, rate limits, or what 'detailed information' includes. For a simple read operation, this is adequate but minimal.
Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.
Conciseness4/5Is the description appropriately sized, front-loaded, and free of redundancy?
The description is a single sentence of 10 words, which is concise and front-loaded. Every word is necessary. It is not overly terse, though it could be slightly more informative without sacrificing brevity.
Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.
Completeness3/5Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?
For a simple read operation with 2 parameters and no output schema, the description is adequate but could be improved by mentioning what the output contains (e.g., 'Returns the instance's configuration, status, and metadata'). The vague 'detailed information' leaves some ambiguity.
Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.
Parameters3/5Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?
Schema description coverage is 100%, with both parameters ('zone', 'instance_name') having clear descriptions in the schema. The description adds no additional meaning beyond the schema, so baseline 3 is appropriate.
Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.
Purpose5/5Does the description clearly state what the tool does and how it differs from similar tools?
The description 'Get detailed information about a Compute Engine VM instance' uses a specific verb ('Get') and resource ('detailed information about a Compute Engine VM instance'), clearly distinguishing it from sibling tools like gcloud_compute_instances_list (which lists instances) and gcloud_run_services_describe (different resource).
Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.
Usage Guidelines2/5Does the description explain when to use this tool, when not to, or what alternatives exist?
The description provides no guidance on when to use this tool versus alternatives. With 30+ sibling tools, including other describe tools, an agent receives no explicit when-not or alternative suggestions. Usage is only implied by the purpose.
Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.
- Behavior3/5
Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?
No annotations are provided, so the description carries the full burden. It correctly indicates a read operation (list) but does not disclose details like pagination behavior, rate limits, permission requirements, or whether the results are cached. The behavior is straightforward, so the lack of depth is acceptable but not exemplary.
Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.
Conciseness4/5Is the description appropriately sized, front-loaded, and free of redundancy?
The description is a single, front-loaded sentence that conveys the core purpose efficiently. There is no extraneous text, but it could be slightly more complete without harming conciseness.
Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.
Completeness3/5Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?
For a simple list tool with no output schema and only two optional parameters, the description is minimally adequate. However, given the complexity of GCP projects (e.g., organization vs. user context), it could benefit from mentioning that it returns list of project IDs and names, or that results may vary by authentication context.
Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.
Parameters3/5Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?
The schema description coverage is 100% (both parameters are described inline). The description adds no further context about the parameters beyond the schema, so baseline 3 is appropriate. For example, it does not explain what 'filter' syntax is supported or what 'limit' defaults to.
Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.
Purpose4/5Does the description clearly state what the tool does and how it differs from similar tools?
The description clearly states the action ('list') and the resource ('GCP projects') with a specific scope ('accessible to the authenticated user'). It distinguishes from sibling tools like gcloud_projects_describe, but does not explicitly call out the distinction.
Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.
Usage Guidelines3/5Does the description explain when to use this tool, when not to, or what alternatives exist?
The description implies this is for listing all accessible projects, which provides basic context. However, it lacks guidance on when to use this versus alternative gcloud tools (e.g., for filtering or specific project details) and does not mention any prerequisites or use cases.
Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.
- Behavior3/5
Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?
No annotations are provided, so the description carries full burden for behavioral disclosure. It correctly indicates this is a credentials-fetching operation (not a read-only query), which suggests side effects like updating kubeconfig. However, it does not specify if this modifies local state, requires prior authentication, or has any destructive potential.
Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.
Conciseness4/5Is the description appropriately sized, front-loaded, and free of redundancy?
The description is a single, concise sentence with no wasted words. It is front-loaded with the core action. However, it could be slightly improved by including usage guidance or disclaimers without significantly increasing length.
Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.
Completeness3/5Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?
Given the tool has 3 parameters (all documented), no output schema, and no annotations, the description adequately states the core function. However, it lacks detail on return values (is it just success indication?), side effects (updates kubeconfig?), and prerequisites (gcloud auth?), which would be helpful for an agent.
Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.
Parameters4/5Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?
Schema description coverage is 100%, so the baseline is 3. The description adds value by clarifying the purpose of the parameters in context ('kubectl credentials for a GKE cluster'), which helps the agent understand that cluster_name identifies the target cluster. It does not elaborate on zone vs. region, but the schema already describes them.
Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.
Purpose4/5Does the description clearly state what the tool does and how it differs from similar tools?
The description uses a specific verb ('get') and resource ('kubectl credentials for a GKE cluster'), clearly indicating what the tool does. It also naturally distinguishes from siblings like 'gcloud_container_clusters_list' and 'gcloud_container_clusters_describe', which serve different purposes.
Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.
Usage Guidelines3/5Does the description explain when to use this tool, when not to, or what alternatives exist?
The description implies usage when kubectl credentials are needed for a GKE cluster, but provides no explicit guidance on when to use this vs alternatives (e.g., authentication flows or cluster listing). No exclusions or prerequisites are mentioned.
Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.
- Behavior2/5
Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?
No annotations are provided, so the description must fully disclose behavior. It mentions 'proper ADC authentication' but does not explain what that entails, error handling, rate limits, or security implications. For a flexible execution tool, this is insufficient.
Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.
Conciseness4/5Is the description appropriately sized, front-loaded, and free of redundancy?
The description is two sentences, front-loaded with purpose. It is concise and wastes no words, though it could optionally structure the usage guideline more prominently.
Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.
Completeness2/5Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?
Given the tool's complexity as a generic command executor with no output schema, the description lacks critical details: return format, error behavior, authentication prerequisites, and examples. It is functional but leaves significant gaps for an AI agent.
Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.
Parameters3/5Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?
Schema description coverage is 100%, so the baseline is 3. The description adds no meaning beyond the schema; it does not elaborate on command format, format options, or additional flags beyond what is already in the schema.
Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.
Purpose5/5Does the description clearly state what the tool does and how it differs from similar tools?
The description states 'Execute any gcloud command directly' with a clear verb and resource. It distinguishes from siblings by specifying 'for commands not covered by specific tools,' which is explicit and helpful.
Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.
Usage Guidelines4/5Does the description explain when to use this tool, when not to, or what alternatives exist?
The description provides a clear when-to-use directive: 'Use this for commands not covered by specific tools.' It does not explicitly list when not to use or alternatives, but the sibling tools list and the phrase 'not covered' imply the exclusion.
Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.
- Behavior2/5
Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?
With no annotations provided, the description carries full burden for behavioral disclosure. It only says 'get detailed information', which implies a read-only operation, but it does not specify permissions required, what information is included, error conditions, or that no changes are made. The coverage is minimal.
Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.
Conciseness5/5Is the description appropriately sized, front-loaded, and free of redundancy?
The description is a single, focused sentence that conveys the essential purpose without any extraneous words. It is perfectly concise and front-loaded.
Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.
Completeness3/5Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?
The tool is simple with one parameter and no output schema, but the description lacks any mention of what 'detailed information' includes, potential errors, or behavioral constraints. Given no annotations, this is a gap that makes it only minimally complete for an agent to fully understand the tool's behavior.
Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.
Parameters3/5Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?
The input schema provides 100% coverage with description 'Project ID to describe' for project_id. The tool description adds no additional meaning about the parameter, but the schema already fully explains it, so the baseline score of 3 is appropriate.
Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.
Purpose5/5Does the description clearly state what the tool does and how it differs from similar tools?
The description 'Get detailed information about a specific GCP project' clearly specifies the action (get) and resource (specific GCP project). It distinguishes itself from sibling list tools like gcloud_projects_list by emphasizing 'specific', making its purpose unambiguous.
Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.
Usage Guidelines3/5Does the description explain when to use this tool, when not to, or what alternatives exist?
The description implies usage for retrieving details of a single project, contrasted with listing projects, but it does not explicitly state when to use this tool over alternatives or mention any exclusions. No direct guidance on when not to use it is provided.
Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.
- Behavior4/5
Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?
With no annotations, the description carries the full burden. It discloses key behavioral traits: it uses Application Default Credentials, it opens a browser for OAuth flow, and the optional 'force' parameter triggers re-authentication. This is sufficient for the agent to understand what will happen and the interactive nature of the tool.
Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.
Conciseness4/5Is the description appropriately sized, front-loaded, and free of redundancy?
The description is two sentences, effectively front-loading the core purpose and the critical browser OAuth behavior. Every sentence adds value, though the second sentence could be slightly more precise about the interaction flow.
Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.
Completeness4/5Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?
Given the simplicity of this tool (one optional parameter, no output schema, clear purpose), the description is complete enough. It covers what the tool does, how it authenticates, and the interactive behavior. The only minor gap is that it doesn't specify that the tool may wait for browser completion or what to expect if run in a non-interactive environment.
Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.
Parameters3/5Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?
Schema description coverage is 100%, so the baseline is 3. The description adds no additional meaning beyond the schema for the 'force' parameter, but the schema already explains its purpose ('Force re-authentication even if already logged in'). The description does not provide extra usage context for the parameter.
Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.
Purpose4/5Does the description clearly state what the tool does and how it differs from similar tools?
The description clearly specifies the verb 'Authenticate' and the resource 'Google Cloud using Application Default Credentials (ADC)', distinguishing it from siblings like gcloud_auth_list (lists accounts) and gcloud_auth_print_access_token (prints tokens). The purpose is well-defined.
Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.
Usage Guidelines3/5Does the description explain when to use this tool, when not to, or what alternatives exist?
The description implicitly communicates usage context ('authenticate with Google Cloud'), but provides no explicit guidance on when to use this tool versus alternatives, nor any exclusions or prerequisites. For instance, it doesn't mention that gcloud_auth_print_access_token or gcloud_auth_print_identity_token might be better for token-based scenarios without starting a browser flow.
Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.
- Behavior2/5
Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?
With no annotations provided, the description carries the full burden for behavioral disclosure. It only states 'List all gcloud configuration properties' without mentioning whether authentication is required, that the operation is read-only, or what the output format is.
Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.
Conciseness5/5Is the description appropriately sized, front-loaded, and free of redundancy?
The description is extremely concise at five words, front-loading the action and resource with zero wasted text.
Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.
Completeness4/5Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?
Given the tool's simplicity (no parameters, trivial list operation), the description is largely sufficient. However, a note about read-only nature or expected output would make it fully complete.
Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.
Parameters4/5Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?
There are no parameters, and schema coverage is 100%. The description adds nothing beyond what the schema conveys, but for zero-parameter tools the baseline is 4.
Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.
Purpose5/5Does the description clearly state what the tool does and how it differs from similar tools?
The description uses a specific verb ('List') and resource ('gcloud configuration properties'), clearly distinguishing it from sibling tools like gcloud_config_get and gcloud_config_set which manage individual properties.
Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.
Usage Guidelines3/5Does the description explain when to use this tool, when not to, or what alternatives exist?
The description implies use for listing all configuration properties but provides no explicit guidance on when to use this tool versus alternatives, nor does it mention preconditions or exclusions.
Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.
- Behavior3/5
Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?
No annotations are provided, so the description carries the burden. It clearly indicates a read operation by using 'List', but it does not mention permissions, rate limits, return format, or the fact that the 'available' parameter can change behavior. The description adds basic context but lacks richer behavioral detail.
Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.
Conciseness5/5Is the description appropriately sized, front-loaded, and free of redundancy?
The description is a single, concise sentence that clearly states the tool's purpose. It is front-loaded with the action verb and resource, with no unnecessary words.
Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.
Completeness4/5Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?
The tool has only two optional parameters with good schema descriptions and no output schema. The description covers the core functionality, and the schema fills in the parameter details. It is complete enough for a simple list tool, though it does not mention the 'available' toggle in the description itself.
Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.
Parameters3/5Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?
The input schema already documents both parameters with full coverage. The description adds no additional meaning about the parameters beyond the schema, so the baseline of 3 is appropriate.
Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.
Purpose5/5Does the description clearly state what the tool does and how it differs from similar tools?
The description clearly specifies the action ('List') and the resource ('enabled Google Cloud APIs and services') with a project scope. It distinguishes from sibling tools like gcloud_services_enable and other list tools by focusing specifically on enabled services.
Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.
Usage Guidelines3/5Does the description explain when to use this tool, when not to, or what alternatives exist?
The description implies usage by indicating it lists enabled services, and the sibling gcloud_services_enable exists for enabling services. However, it does not explicitly state when to choose this tool over alternatives or provide exclusions.
Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.
- Behavior3/5
Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?
No annotations are provided, so the description must fully disclose behavior. It states 'Generate and print' implying a read-only operation, but it lacks details on prerequisites (e.g., prior login), side effects, or output format. The description adds some context (JWT for Cloud Run) but is minimal for a tool that generates tokens.
Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.
Conciseness5/5Is the description appropriately sized, front-loaded, and free of redundancy?
The description is two sentences long, concise, and front-loaded with the core action. Every sentence adds value without fluff.
Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.
Completeness3/5Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?
Given no output schema and moderate complexity (JWT generation), the description is incomplete. It does not mention that the token is printed to stdout, that prior authentication is needed, or default account behavior. For a simple tool, it provides the main use case but omits necessary details for reliable invocation.
Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.
Parameters3/5Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?
Schema coverage is 100%, so the schema already describes all three parameters. The description does not add any additional meaning beyond the schema; it does not explain 'audiences' or 'include_email' further. Baseline is 3, and no extra value is provided.
Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.
Purpose5/5Does the description clearly state what the tool does and how it differs from similar tools?
The description explicitly states the verb ('Generate and print') and resource ('identity token (JWT)'), and it distinguishes the tool from siblings like gcloud_auth_print_access_token by specifying the use case 'authenticating to Cloud Run and other services'.
Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.
Usage Guidelines4/5Does the description explain when to use this tool, when not to, or what alternatives exist?
The description gives a clear usage context ('Used for authenticating to Cloud Run and other services'), which helps an AI agent know when to use this tool. However, it does not explicitly mention when not to use it or contrast it with the access token sibling, so it falls short of full guidance.
Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.
- Behavior3/5
Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?
With no annotations, the description carries full responsibility for behavioral disclosure. It accurately describes a read-only listing operation (no destructive side effects), but does not disclose details like whether the active account is returned as part of the list or separately, what the output format is (since no output schema), or whether this command requires prior authentication.
Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.
Conciseness5/5Is the description appropriately sized, front-loaded, and free of redundancy?
The description is a single sentence with no wasted words. It front-loads the primary action ('List') and adds a secondary action ('show the active account'), covering the tool's core functionality efficiently.
Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.
Completeness5/5Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?
Given the tool has zero parameters, no output schema, and no nested objects, the description is complete enough for the tool's simplicity. It fully explains what the tool does without requiring additional elaboration.
Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.
Parameters4/5Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?
The tool has zero parameters and 100% schema description coverage, so the schema provides full parameter information. The description meaningfully adds context by specifying what the tool returns ('all authenticated accounts' and 'the active account'), increasing agent understanding beyond the bare schema.
Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.
Purpose5/5Does the description clearly state what the tool does and how it differs from similar tools?
The description uses a specific verb ('List') and clearly identifies the resource ('authenticated accounts'), plus adds a distinct action ('show the active account'). This distinguishes it from siblings like gcloud_auth_login and gcloud_auth_print_access_token, as listing accounts is a different operation.
Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.
Usage Guidelines3/5Does the description explain when to use this tool, when not to, or what alternatives exist?
The description implies usage for viewing current authentication state (listing accounts, showing active), but does not provide explicit guidance on when to use this versus alternatives like gcloud_auth_print_access_token or gcloud_auth_login, nor when not to use it. The context is clear but lacks exclusions or decision rules.
Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.
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